20377555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7946

約数の個数: 16

約数和(自身を含む): 27247104

約数和(自身を除く): 6869549

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7883, 39415, 86713, 370501, 433565, 1852505, 4075511, 20377555]

約数ペア:

[(1, 20377555), (5, 4075511), (11, 1852505), (47, 433565), (55, 370501), (235, 86713), (517, 39415), (2585, 7883)]